UMI Performance

UMI’s 2nd Gen F-Body upper a-arms are a key component of a great handling muscle car. Our P/N 2653-1 upper a-arms add caster to improve steering feel and reduce wandering while incorporating a ½”...

UMI’s 2nd Gen F-Body upper a-arms are a key component of a great handling muscle car. Our P/N 2653-1 upper a-arms add caster to improve steering feel and reduce wandering while incorporating a ½”...

For vehicles with 0-1.5" lowering, Viking's double adjustable rear shocks are designed to significantly enhance your car's performance in various driving conditions. These shocks feature 19...

UMI's Delrin shackle kit works with UMI P/N 2620 rear leaf springs as well as other stock location leaf springs. The kit is a great choice for corner carving street and high performance use. Kit...

UMI's polyurethane shackle kit works with UMI P/N 2620 rear leaf springs as well as other stock location leaf springs. The kit is a great choice for street and performance use. Kit includes bushings...

UMI’s GM A-body bump steer kit for 1971-1972 models is designed to improve handling and straight-line stability by reducing or eliminating toe change during suspension travel, commonly known as “bump...

UMI’s 4060-1 GM A-body bump steer kit (1971-1972) is designed to reduce or eliminate toe change during suspension travel (bump steer). This improves handling, straight line stability, and overall...

The UMI Performance adjustable rear control arms kit is designed for 1971-1975 GM H-Body vehicles. The kit includes both upper and lower control arms with high quality Teflon lined spherical rod ends...

The UMI Performance adjustable rear control arms kit is designed for 1971-1975 GM H-Body vehicles. The kit includes both upper and lower control arms with high quality Teflon lined spherical rod ends...

UMI’s rear upper control arms are a high-quality upgrade designed to minimize wheel hop, improve traction, and enhance track consistency. Constructed of strong drawn over mandrel mild steel tubing...

UMI’s rear upper control arms are a high-quality upgrade designed to minimize wheel hop, improve traction, and enhance track consistency. Constructed of strong drawn over mandrel mild steel tubing...

UMI Performance’s rear upper control arms for the 71-75 GM H-Body are a direct bolt-in replacement for the factory control arms. These control arms are designed to minimize wheel hop, improve...